import java.util.*;
import static java.lang.System.out;
public class Guest{
    public static void main(String[] args){
        List names=new ArrayList();
        collectNameTo(names);
        out.println("    访客名单：");
        printUpperCase(names);
     }
static void collectNameTo(List names){
      Scanner console=new Scanner(System.in);
           while(true){
                out.print("访客名称：");
                String name=console.nextLine();
                if(name.equals("quit")){
                    break;
              }
              names.add(name);
          }
    }
static void printUpperCase(List names){
     for(int i=0;i<names.size();i++){
         String name = (String)names.get(i);
         out.println(name.toUpperCase());
        }
    }
}

